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Interlachen Bridge
Coordinates	44°55′53″N 93°18′31″W / 44.93139°N 93.30861°W / 44.93139; -93.30861
Carries	Two lanes of William Berry Parkway
Crosses	The Como-Harriet Streetcar Line a former Twin City Rapid Transit streetcar line now operated by the Minnesota Streetcar Museum
Locale	Minneapolis, Minnesota
Maintained by	Minneapolis Park Board
Characteristics
Design	Concrete arch using the Melan reinforcement system
Total length	40 feet
Width	63 feet
Longest span	38.6 feet
Clearance below	16 feet
History
Opened	1900
Location

The Interlachen Bridge is a reinforced concrete arch bridge on William Berry Parkway between Bde Maka Ska and Lake Harriet in Minneapolis, Minnesota. The bridge crosses the Como-Harriet Streetcar Line, a heritage streetcar line operated by the Minnesota Streetcar Museum which follows the same right-of-way as the original Twin Cities Rapid Transit line of the same name. The bridge was designed by local builder William S. Hewett. The bridge is one of the most significant bridges in Minnesota because it is the earliest known extant concrete bridge with a documented construction date. The bridge was listed on the National Register of Historic Places on November 6, 1989, as part of the Reinforced-Concrete Highway Bridges in Minnesota MPS.

The Interlachen Bridge was based on the Melan reinforcing system, invented by Viennese engineer Josef Melan and patented in the United States in 1894.

References

1. "Interlachen Bridge - Description". Minnesota Historical Society. 1996. Archived from the original on May 12, 2008. Retrieved March 12, 2008.
2. "Interlachen Bridge - Historic Significance". Minnesota Historical Society. 1996. Archived from the original on May 12, 2008. Retrieved March 12, 2008.
3. "National Register Information System". National Register of Historic Places. National Park Service. January 23, 2007.

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• National Register of Historic Places in Minneapolis
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• Bridges completed in 1900
• Road bridges on the National Register of Historic Places in Minnesota
• Concrete bridges in Minnesota
• Arch bridges in the United States
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